cutting off - Rosenmuller translates, “the meridian”; when the sun stands in the zenith: so “the perfect day” (Pro 4:18). Rather, “in the tranquillity of my days,” that is, that period of life when I might now look forward to a tranquil reign [Maurer]. The Hebrew is so translated (Isa 62:6, Isa 62:7).
go to - rather, “go into,” as in Isa 46:2 [Maurer].
residue of my years - those which I had calculated on. God sends sickness to teach man not to calculate on the morrow, but to live more wholly to God, as if each day were the last.